to use techniques which go against our social norms and try to use things that will use our process against us, and that was proven out actually in flight 253 with the plement of a bomb that used all nonmetallic components, and so we have done extensive testing in whattechniques we can use in order to be able to detect items like that using process and technology so that we can mitigate that threat while also being as conscious as possible about the passengers experience coming through as well as allowing passengers to expeditiously -- >> you indicated in your testimony that only a small percentage of passengers have undergone a secondary screening. i've had the misphenomenonture of -- misfortune of being one of those passengers. i was taken into a private room without the option of having anyone accompanied my. i was thoroughly searched. a rescran would have avoted that. isn't that less intrusive when there's five anomalies detected on my body? >> without getting into the sense of security part of when we do what type of screening, when we have an anomaly in a sensitive area, we do